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Finding the Fourth Proportional to 443.52, 611.82 and 333

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Solution

The fourth proportional to 443.52, 611.82 and 333 is: 459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    443.52 : 611.82 = 333 : x
  2. Step 2: Convert to fraction form
    443.52/611.82 = 333/x
  3. Step 3: Cross multiply
    443.52x = 611.82 × 333
  4. Step 4: Simplify right side
    443.52x = 203,736.06
  5. Step 5: Solve for x
    x = 203,736.06/443.52
  6. Step 6: Final answer
    x = 459.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.